Biodegradation of pollutants
[法] 污染物的生物解析
🧩 词语组成解析
生物降解
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
n. 污染物质（尤指工业废物）( pollutant的复数形式 )
🗣️ 情景例句
I ventured to correct the teacher's mistake.
我鼓起勇气去纠正老师的错误。
Someone is working in the manhole.
有人在
He felt free to talk about his failures or his difficulties.
他可以随便谈论自己的失败或困境。